<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>点击切换</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        ol,ul,li{
            list-style: none;
        }
        .container{
            margin: 50px auto;
            width: 600px;
        }
        ul{
            display: flex;
            justify-content: space-around;
        }
        ul li{
            border: 1px solid rgb(251, 251, 252);
            background-color: rgb(208, 138, 240);
            width: 200px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            color: white;
            cursor: pointer;
        }
        ol{
            height: 400px;
           position: relative;
            
        }
        ol li{
            position: absolute;
            top: 0;
            left: 0;
            display: none;
        }
        ol li img{
            width: 100%;
            height: 100%;
        }
        /* 选中效果 */
        .active{
            background-color: rgb(213, 240, 140);
        }
        .on{
            display: block;
        }
    </style>
</head>
<body>
    <div class="container">
        <ul>
            <li class="active">图1</li>
            <li>图2</li>
            <li>图3</li>
        </ul>
        <ol>
            <li class="on"><img src="image/1.jpg" alt=""></li>
            <li><img src="image/2.jpg" alt=""></li>
            <li><img src="image/3.jpg" alt=""></li>
        </ol>
    </div>
    <script src="js/jquery-3.6.0.min.js"></script>
    <script>
        //点击事件
        $('ul li').on('click',function(){
            //清除所以样式
            $('li').removeClass('active')
            //添加active类样式
            $(this).addClass('active')
            //获取点击元素索引号
            let index=$(this).index()
            $('ol li').removeClass('on')
            //显示选中元素显示的图片
            $('ol li').eq(index).addClass('on')
        })
        
        
    </script>
</body>
</html>